/*
 * Copyright 2016 Code Above Lab LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.codeabovelab.dm.common.utils;

import java.io.InputStream;
import java.net.URL;

/**
 */
public class Resources {
    public static <T> T load(ClassLoader cl, String name, Loader<InputStream, T> loader) {
        final URL url = cl.getResource(name);
        if(url == null) {
            throw new RuntimeException("Can not find url with name: " + name);
        }
        try(InputStream is = url.openStream()) {
            return loader.apply(is);
        } catch (Exception e) {
            throw new RuntimeException("Can not load: " + name + " from url: " + url, e);
        }
    }

    public interface Loader<A, V> {
        V apply(A arg) throws Exception;
    }
}
